diff --git a/tools/fuzz.go b/tools/fuzz.go
index 2f980b3b8..366ea383b 100644
--- a/tools/fuzz.go
+++ b/tools/fuzz.go
@@ -7,6 +7,8 @@
 
 package fuzz
 
+//=== 2022/04/01 testing merge and PR ===//
+
 import (
 	"bytes"
 	"io"